@class NSMutableArray; @interface _PSConfidenceModel : NSObject @property (class, readonly) BOOL supportsSecureCoding; @property (retain, nonatomic) NSMutableArray *circularBuffer; @property int bufferHead; @property double sum; @property int bufferSize; @property int minimumInstanceCount; - (void)encodeWithCoder:(id)a0; - (void).cxx_destruct; - (void)addEvent:(id)a0; - (id)initWithCoder:(id)a0; - (id)copyWithZone:(struct _NSZone { } *)a0; - (double)getConfidence; - (id)initWithBufferSize:(int)a0 minimumInstanceCount:(int)a1; - (id)initWithBufferSize:(int)a0 sum:(double)a1 circularBuffer:(id)a2 bufferHead:(int)a3; - (void)resetBuffer; @end